uncleflo

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Some cool dude. Higher order of decision making. Absolute.

Registered since September 28th, 2017

Has a total of 3739 bookmarks.

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IEE Current Ratings Regulations Table 4E1A

https://www.cse-distributors.co.uk/cable/technical-tables-useful-info/table-4e1a/

Saved by uncleflo on January 4th, 2020.

Single-Core 90°C Thermosetting Insulated Cables, Non-Armoured, with or without Sheath. Cable, Technical Tables, Useful Info, Table 4E1A. Thickness of cables that need to provide a specific current.

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50KW 154120 brushless motor and HV 120V 1000A brushless controller for RC UAV/ Airplane/Paramotor-in Parts & Accessories from Toys & Hobbies on AliExpress

https://www.aliexpress.com/item/4000068504469.html

Saved by uncleflo on December 22nd, 2019.

50KW 154120 brushless motor and HV 120V 1000A brushless controller for RC UAV/ Airplane/Paramotor; The firmware is upgraded recently; Two way communication while connecting it with computer; Firmware can be upgraded by user; Motor cable can be inspected while Connecting the power battery; Simply set function value by Prog-Box or by PC via USB link wire; Li-MH/Li-Po,Ne-Cd/Ne-mH,LiFe battery can be use; Enables setting the voltage per cell for the point at which the controller’s cut off circuitry engages.Li-MH/Li-Po from 2.0-3.6V,Ne-Cd/Ne-.4-1.0V,LiFe from2.2-2.8V; Reverse function. the delay time of reverse is adjustable; Automatically detection the throttle route or can be set a fixed number by manual operation; Auto cut off the power within 3 seconds if no radio signs; Timing setting may be adjusted (0°-30°) to suit the motor type.

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GelPlane Professional Osmosis Treatment, Gel Plane, Gel-Plane, strips, peels gelcoat, stripper

http://www.gelplane.co.uk/gelplane/product.asp

Saved by uncleflo on December 19th, 2019.

The removal of the gelcoat is the first stage of any Osmosis blistering treatment and peeling is widely accepted as the most cost effective system for guaranteeing an assured repair. The GelPlane has well documented advantages of speed, economy and quality of finish but further, with the dust extraction system the workplace remains clean. GelPlane International provides the product not the peeling service allowing the yard to benefit from convenient work scheduling, quality control and the profitability of working in house.

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Hitachi G10SR3 100mm Grinder 240V

https://www.toolstop.co.uk/hitachi-g10sr3-100mm-grinder-240v-p7285

Saved by uncleflo on December 19th, 2019.

Hitachi G10SR3 100mm Grinder 240V, G10SR3 Features: High power 730W motor; Class leading overload durability; Compact & lightweight; Side mounted on/off switch. G10SR3 Comes With: Wrench and Side handle. Specification: Voltage: 240V, Power input: 730W, No-load speed: 10000/min, Wheel diameter: 100mm, Arbor: 16mm, Spindle thread: M10 x 1.5, Length: 254mm, Weight: 1.4kg

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48V EasyBox System - FischerPanda

https://www.fischerpanda.co.uk/48V_EasyBox_System.html

Saved by uncleflo on December 19th, 2019.

The 48V EasyBox System provides your boat with the simplest electric drive system. The system is quick to install (plug and play) and all electrical components are contained in one unit. It is designed to be used as a battery only system with a 48V battery bank or with the support of a DC generator as a 'range extender' . The batteries can be charged via the on board generator or shore power connection or at the touch of a button using the re-generation ‘REGEN’ function (when main engine is running or using propeller drag when sailing) Perfect for cruising on waters where combustion engines are not allowed. AGM or Lithium battery banks can be used in an Easybox system. The system is designed for mono-hulls, catamarans or trimarans requiring a single or dual drive system.

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Electric Motors

https://lynchmotors.co.uk/marine-motors/marlin.html

Saved by uncleflo on December 18th, 2019.

A Lynch electric motor starts every time, just turn the key, adjust the throttle and go. Giving you the security and comfort knowing you have a reliable engine while on the water. No need for pre-heating, the power is immediately available. With a Lynch motor the power kicks in straight away, making harbour manoeuvrability easier and more accurate. Quiet and Clean. The Lynch motor runs extremely quietly giving you a more peaceful experience and is free from exhaust fumes providing you with a clean engine room, overall making the on-board environment more pleasant and relaxing. The Lynch electric system has no impact on the water environment either making it an excellent choice for emission restricted waterways.

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Choosing the Right Switch: Know Your AC from Your DC

https://www.electronicdesign.com/technologies/analog/article/21807286/choosing-the-right-switch-know-your-ac-from-your-dc

Saved by uncleflo on December 18th, 2019.

When picking a switch to use in electrical design, many people believe they can use any switch, provided its current rating is more than the maximum load in the circuit. This, of course, isn’t true. Alternating current (ac) or direct current (dc) circuits are capable of carrying very different currents, as illustrated by the ratings on the switch in Figure 1. This is why it’s so important for designers and engineers to understand how to pick the right switch for their product.

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Lithium-Ion Battery 48V - 61Ah - 3.12kWh - PowerBrick+ / LiFePO4 battery

https://www.powertechsystems.eu/home/products/48v-lithium-ion-battery-pack/61ah-48v-lithium-ion-battery-pack-powerbrick/

Saved by uncleflo on December 17th, 2019.

The Lithium-Ion PowerBrick+ battery 48V-61Ah offers high level of safety through the use of cylindrical cells in Lithium Ferro Phosphate technology (LiFePO4 or LFP). PowerBrick+ 48V-61Ah integrates an innovative Battery Management System (BMS) in its casing to ensure a very high level of safety in use. The BMS constantly monitors and balances the battery cells to protect the battery and increase its life. The BMS also protects the battery from any misuse: deep discharge, high charging voltage, etc.

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CPC

https://cpc.farnell.com/

Saved by uncleflo on October 11th, 2019.

Founded in 1967, CPC has earned its place as one of the UK's leading distributors of electrical, electronics and related products. Working closely with businesses, tradespeople, installers, consumers and Makers and Educators, the CPC team is constantly striving to deliver only the best when it comes to product quality, value and customer service. With 50-years' experience and a broad range of 100,000 lines (all stocked on-site in our Preston Distribution Centre), we're confident that we have what it takes to make it work for you. No matter what your industry is, we won't let you down.

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BTM511 - LAIRD TECHNOLOGIES - BLUETOOTH MODULE, AUDIO, INT ANTENNA | Farnell UK

http://uk.farnell.com/jsp/displayProduct.jsp?sku=1857739&CMP=e-wn-eshot-170714-uk

Saved by uncleflo on July 19th, 2014.

BTM511 is a Bluetooth Multimedia module with integrated antenna designed for adding robust audio and voice capabilities. Based on the market leading Cambridge Silicon Radio BC05 chipset, these modules provide exceptionally low power consumption with outstanding range. Supporting the latest Bluetooth Version 2.1+EDR specification, these modules provide the important advantage of secure simple pairing that improves security and enhances easy use. The compact size of the modules makes them ideal for battery powered or headset form factor audio and voice devices. With a 16bit stereo codec and microphone inputs to support both stereo and mono applications. The BTM511 modules include an embedded 32bit, 64 MIPS DSP core within the BC05. This allows designers to add significant product enhancements. The availability of 16MB flash memory in the module allows complex functionality to be included.

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Davide Gironi: A simple brushless sensorless motor driver for AVR Atmega

http://davidegironi.blogspot.it/2013/09/a-simple-brushless-sensorless-motor.html#.U8dbkXI25XR

Saved by uncleflo on July 17th, 2014.

Brushless electric motor (BLDC motors) are synchronous motors that are powered by a DC electric source via an integrated inverter/switching power supply, which produces an AC electric signal to drive the motor. For an introduction to BLDC motors, please look at my sensored motor driver post, here: http://davidegironi.blogspot.it/2013/09/a-simple-brushless-sensored-motor.html For this project, I've implemented a simple brushless sensoreless motor driver for AVR Atmega. The code i propose it's not perfect, and can be improved, but for the needs i had it works.

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nptelhrd - YouTube

https://www.youtube.com/user/nptelhrd/channels

Saved by uncleflo on July 16th, 2014.

This channel provides technical lectures from seven Indian Institutes of Technology (IITs) and Indian Institute of Science (IISc), Bangalore. Please visit the NPTEL Channel List below to view the complete list of courses. (24 Channels)

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esc - Controlling small brushless dc motors? - Electrical Engineering Stack Exchange

http://electronics.stackexchange.com/questions/34823/controlling-small-brushless-dc-motors

Saved by uncleflo on July 16th, 2014.

I'm designing an ESC with a small microcontroller running at 3.3V. The BLDC motors I have chosen are extremely small, and run best at 3.7V. I have the power supply for both of these (3.7V is VBATT, 3.3V is obtained using a buck converter). They are 3 phase, and the controller needs to be sensorless. I would like to measure RPM and current usage as well if it doesn't mean I will have an overly complicated design. All the docs I have found are great for higher voltages, and ridiculous currents (I will max out at ~5Amps at 3.7V, I don't necessarily need to design a 100V, 300A ESC). Questions I have: Is there a reference design I can follow somewhere around the net? What kind of protection circuitry should I use? How simple can I go? Are there any ICs that will simplify the circuit even further? Any other recommendations/tips/pointers?

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Electronics - High Speed Devices & Circuit - YouTube

http://www.youtube.com/playlist?list=PL804EBBC9541F0D5A

Saved by uncleflo on May 30th, 2014.

Lectures by Prof. K. N. Bhat Department of Electrical Engineering IIT Madras

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Pololu - Electrical characteristics of servos and introduction to the servo control interface

http://www.pololu.com/blog/16/electrical-characteristics-of-servos-and-introduction-to-the-servo-control-interface

Saved by uncleflo on February 8th, 2014.

So far, I have been talking about servos largely from the perspective of their typical use. While I hope I have provided a decent foundation about their intended use and some idea of what is inside a servo, these are things you could learn from hobby stores and taking apart a few servos. Today, I want to move on to a discussion of the electrical characteristics of servos, with the control interface as the primary topic. From the servo manufacturers’ perspective, the control signal can be an internal detail, so discussing it means we are moving on to a realm that is less officially documented. I will try to keep things general and back up my claims a bit where practical, but some details might not apply to all servos.

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Underwater Connectors, Fibre Optic Connectors, Underwater Penetrators - Hydro Group Plc

http://www.hydrogroupplc.com/hydro_bond.html

Saved by uncleflo on June 5th, 2012.

Hydro Bond Engineering Ltd design and manufacture optical and electrical connectors, penetrators, assemblies, and terminations. Hydrocable Systems Ltd design and manufacture optical and electrical cables, tethers and umbilical’s. Together they provide the complete solution. In essence a “total solution” to complex problems is achievable from one company.

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Underwater Systems Inc. - Underwater Connectors Cable Assemblies Junction Boxes Electrical Field Installable Underwater Pluggable Oil-Filled Proximity Switches Magnetic Switches Metal Shell Rubber Molded Side Scan Sonar Penetrators Hull Fittings !

http://www.underwatersystems.com/welcome.html

Saved by uncleflo on May 22nd, 2012.

USI is an innovative multi-discipline underwater engineering firm specializing in the design and manufacturing of various products ranging from environment proof electrical and optical connectors to hydroacoustic sensors and underwater vehicles USI operates under two main groups,the Connector Systems Group (USI-CSG) and the Special Products Group (USI-SPG).

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Cheap Laptops, Computers and Cheap LCD TVs | Ebuyer.com

http://www.ebuyer.com/

Saved by uncleflo on November 24th, 2011.

Ebuyer.com is one of the largest internet retailers of electrical and computer products in the UK. With over 19,000 high quality products - from laptops, desktop PCs, netbooks, tablet PCs and LCD televisions, you’re sure to find what you want at the right price. Ebuyer has a great range of Graphics Cards available including some fantastic Nvidia offerings such as the Geforce GTX 560, an 830Mhz 1Gb 1080p card, the Geforce GTX 570, a 750Mhz 1280Mb card and the power house Geforce GTX 580, an 816Mhz card with 1536Mb of graphics power. At Ebuyer.com you have access to a wide range of cheap laptops, LCD monitors, televisions, hard drives, nettops and much more. On top of consistently cheap prices, you will find fantastic deals on thousands of consumer electronics products, manufactured by all the leading electronic brands. Ebuyer provides you with the products you want; at the time you want them, all at a pleasing price.

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